and eu terrorist list. very anti-american, very anti-nato. they attacked turkish military and security installations. at some point that switched and they went after u.s. diplomats and u.s. military. they were particularly active during the gulf war, and they've killed dozens of people since the '70s. they finance themselves by robberies and extortion. experts don't rule out they may have been subcontracted by another group. in fact, i was reading the newspapers a short while ago, shep. there was an article that said this was a splinter group of a larger organization backed by iran and syria. now, we don't have any confirmation of that, but again, there's always the possibility that they were subcontracted by someone else, the u.s. saying that they're following turkey's lead at this point but so far, turkey is just saying that it was this leftist group. >> shepard: amy kellogg in london. thanks so much. experts call ankara one of the safest cities in the region but consider turkey's neighbors, iran to the east, syria to the south and united s